fix(deps): update gapic-generator-java-bom.version to v2.62.1 (#4135)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
|
[com.google.api:gapic-generator-java](https://redirect.github.com/googleapis/sdk-platform-java)
| `2.62.0` -> `2.62.1` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.api:gapic-generator-java/2.62.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.api:gapic-generator-java/2.62.0/2.62.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
|
[com.google.api:gapic-generator-java-bom](https://redirect.github.com/googleapis/sdk-platform-java)
| `2.62.0` -> `2.62.1` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.api:gapic-generator-java-bom/2.62.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.api:gapic-generator-java-bom/2.62.0/2.62.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>googleapis/sdk-platform-java
(com.google.api:gapic-generator-java)</summary>

###
[`v2.62.1`](https://redirect.github.com/googleapis/sdk-platform-java/blob/HEAD/CHANGELOG.md#2621-2025-09-05)

[Compare
Source](https://redirect.github.com/googleapis/sdk-platform-java/compare/v2.62.0...v2.62.1)

##### Dependencies

- Update auth to 1.39.0
([#&#8203;3898](https://redirect.github.com/googleapis/sdk-platform-java/issues/3898))
([9a8443d](https://redirect.github.com/googleapis/sdk-platform-java/commit/9a8443d71cdbdb7a693b6da08db72edb85490807))

</details>

---

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---

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Co-authored-by: Blake Li <[email protected]>

Author: renovate-bot

spring-cloud-generator/pom.xml

@@ -15,7 +15,7 @@
     <description>Spring Code Generator for Google Cloud</description>
 
     <properties>
-        <gapic-generator-java-bom.version>2.62.0</gapic-generator-java-bom.version>
+        <gapic-generator-java-bom.version>2.62.1</gapic-generator-java-bom.version>
         <!-- [gapic-test]: protobuf.version for compiling protos used in unit testing
              this should be consistent with version in gapic-generator-java-bom -->
         <protobuf.version>3.25.8</protobuf.version>